Long before Match.com and The Bachelor—even before yentas and oracles—there was the primal jungle, and finding a mate was messy business. Violence and hierarchy ruled the day. Alpha males got the ...

A team of researchers at the University of Massachusetts Amherst has announced a major new advance in understanding how our genetic information eventually translates into functional proteins—one of ...

Promiscuity mixes up the gene pool and dilutes genetic differences between populations, slowing down the evolution of new species, says new research by an international team led by the University of ...

Sex at Dawn is a popular book about sex and human nature, written by PT blogger Chris Ryan and Cacilda Jethá. Some other PT bloggers seem to be huge fans of the book (for instance, see this recent ...

Although the current debate over contraception coverage has largely been framed in religious-freedom terms, the controversy clearly reflects a continuing discomfort with female promiscuity, at least ...

Females are coy and males are ardent. This was Darwin’s somewhat Victorian portrayal of the sexes in his book The Descent of Man and Selection in Relation to Sex. The myth that males are naturally ...

Consider, for example, fatherly investment in the bonobo and chimpanzee. Despite all their attention to these apes, Ryan and Jethá somehow overlook the fact that bonobos and chimps are both ...

A team of researchers has announced a major new advance in understanding how our genetic information eventually translates into functional proteins -- one of the building blocks of human life. The ...

Promiscuity mixes up the gene pool and dilutes genetic differences between populations, slowing down the evolution of new species, says new research. Promiscuity mixes up the gene pool and dilutes ...